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Integrator's Reference Manual for Polycom HDX Systems
The DB-9 male connector on the Polycom HDX system has the following connections.
Pin
Signal
1
Not used
2
Rx
3
Tx
4
DTR (tied to pin 6, DSR)
5
GND
6
DSR (tied to pin 4, DTR)
7
RTS
8
CTS
9
Not used
Most devices that connect to the serial port to control the Polycom HDX system through the API only require
pins 2, 3, and 5. For more information and to verify the proper cabling, refer to the documentation for your
control system.
Polycom, Inc.
Drawings and part numbers are provided for reference only. Polycom claims no
responsibility or liability for the quality, performance, or reliability of cables based on
these reference drawings, other than cables provided by Polycom. Contact your
Polycom distributor or Polycom Custom/Vertical Products to order cables that meet
the appropriate manufacturing tolerances, quality, and performance parameters for
your application.
Cables
101
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